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  2. Medical College Admission Test - Wikipedia

    en.wikipedia.org/wiki/Medical_College_Admission_Test

    The Medical College Admission Test (MCAT; / ˈ ɛ m k æ t / EM-kat) is a computer-based standardized examination for prospective medical students in the United States, Australia, [9] Canada, and the Caribbean Islands. It is designed to assess problem solving, critical thinking, written analysis and knowledge of scientific concepts and principles.

  3. Small-angle X-ray scattering - Wikipedia

    en.wikipedia.org/wiki/Small-angle_X-ray_scattering

    Small-angle X-ray scattering (SAXS) is a small-angle scattering technique by which nanoscale density differences in a sample can be quantified. This means that it can determine nanoparticle size distributions, resolve the size and shape of (monodisperse) macromolecules, determine pore sizes and characteristic distances of partially ordered materials. [1]

  4. Digital image correlation and tracking - Wikipedia

    en.wikipedia.org/wiki/Digital_image_correlation...

    Digital image correlation and tracking is an optical method that employs tracking and image registration techniques for accurate 2D and 3D measurements of changes in images. This method is often used to measure full-field displacement and strains , and it is widely applied in many areas of science and engineering.

  5. Khan Academy - Wikipedia

    en.wikipedia.org/wiki/Khan_Academy

    Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [ 4 ] The organization produces short video lessons. [ 5 ]

  6. Radiography - Wikipedia

    en.wikipedia.org/wiki/Radiography

    Similar techniques are used in airport security, (where "body scanners" generally use backscatter X-ray). To create an image in conventional radiography, a beam of X-rays is produced by an X-ray generator and it is projected towards the object. A certain amount of the X-rays or other radiation are absorbed by the object, dependent on the object ...

  7. Image analysis - Wikipedia

    en.wikipedia.org/wiki/Image_analysis

    Image analysis or imagery analysis is the extraction of meaningful information from images; mainly from digital images by means of digital image processing techniques. [1] Image analysis tasks can be as simple as reading bar coded tags or as sophisticated as identifying a person from their face .

  8. Tomography - Wikipedia

    en.wikipedia.org/wiki/Tomography

    Although MRI (magnetic resonance imaging), optical coherence tomography and ultrasound are transmission methods, they typically do not require movement of the transmitter to acquire data from different directions. In MRI, both projections and higher spatial harmonics are sampled by applying spatially varying magnetic fields; no moving parts are ...

  9. Iterative reconstruction - Wikipedia

    en.wikipedia.org/wiki/Iterative_reconstruction

    In Magnetic Resonance Imaging it can be used to reconstruct images from data acquired with multiple receive coils and with sampling patterns different from the conventional Cartesian grid [17] and allows the use of improved regularization techniques (e.g. total variation) [18] or an extended modeling of physical processes [19] to improve the ...

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